What does Marsh mean?

Popularity

Marsh is a rare first name for males but a very popular surname for all people (#457 out of 88799, Top 1%). (2000 U.S. Census)

Shown below is a comparison of the usage of Marsh and associated names. Marshall(#319 in 2014) is the only prominent alternative form of Marsh (#unlisted). Adoption of this boy name reached its highest during the years 1890-1899 and is now significantly less. (Top 1000 Birth Names Statistics, 2014)